Pith Number

pith:E6R2USCA

pith:2018:E6R2USCAWCUM2QGHCQIC4XKHVK

not attested not anchored not stored refs pending

A Lanczos-Stieltjes method for one-dimensional ridge function approximation and integration

Andrew Glaws, Paul G. Constantine

arxiv:1808.02095 v2 · 2018-08-06 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6R2USCAWCUM2QGHCQIC4XKHVK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:46:32.019611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a3aa4840b0a8cd40c714102e5d47aaa0e4a777b65f46fdab9b2a5a3c9368af

Aliases

arxiv: 1808.02095 · arxiv_version: 1808.02095v2 · doi: 10.48550/arxiv.1808.02095 · pith_short_12: E6R2USCAWCUM · pith_short_16: E6R2USCAWCUM2QGH · pith_short_8: E6R2USCA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/E6R2USCAWCUM2QGHCQIC4XKHVK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 27a3aa4840b0a8cd40c714102e5d47aaa0e4a777b65f46fdab9b2a5a3c9368af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91086d5374f3000f493a773b4911b529311da0bcc5d9906d59cb4de54f1ad6fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-06T20:14:48Z",
    "title_canon_sha256": "e97d5d7c7b9b78e92ea984aa0437c25b1d8388e88e2bc8d38758bb5574998659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02095",
    "kind": "arxiv",
    "version": 2
  }
}